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All Journal JURNAL INSTEK (Informatika Sains dan Teknologi) Conference on Innovation and Application of Science and Technology (CIASTECH) Jurnal Teknik Mesin Infotekmesin Jurnal Abdimas Mandiri Vocatech : Vocational Education and Technology Journal Jurnal Tecnoscienza Humanism : Jurnal Pengabdian Masyarakat Prosiding Konferensi Nasional PKM-CSR Journal of Mechanical Engineering, Science, and Innovation The Journal of System Engineering and Technological Innovation Jurnal Pengabdian Masyarakat dan Inovasi Teknologi Prosiding Seminar Nasional Unimus
Kholili, Navik
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Journal : Infotekmesin

 1 
The Impact of Utilization The Solar-Panels With a Cooling-Water System as a Source of Micro-Power Generation Setyono, Gatot; Kholili, Navik; Rakhmadanu, Yanuariza
Infotekmesin Vol 13 No 1 (2022): Infotekmesin: Januari, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i1.1001

Abstract

The optimal approach to enhance solar panel efficiency and decrease the degradation rate is to lower the temperature range of the surface area. It will be applied by allowing the panels/modules to be cooled and lessening the heat stored in the solar cells through an operation. In the research using experimental methods, the solar panels used have a capacity of 100 WP as a source of micro-power generation, the angle of inclination of the panels is adjusted with variations of 150, 200, and 250. The cooling system uses water, the process of draining water using a submersible pump mounted on a reservoir Water flows to all surfaces of the solar panel and circulates continuously when operating. The experimental outcomes show that the cooling process utilizing water has reduced the temperature operating of the solar panels. The decrease in average temperature occurred in all variations of 23%. The cooling process significantly affects the output power and operational efficiency; circulating cooling can increase the scale of incidents solar radiation on the solar panel due to the refractive effect of the water layer and keep the surface of the solar panel clean from dirt and dust. Output power and operational efficiency have increased in almost all variations in the angle of the solar panel tilt (150, 200, and 250), output power has increased by an average of 22%, and efficiency has increased by on average of 2%
Effect of Butanol-Gasoline Blend Toward Performance Matic-Transmission Applied in Single Cylinder Capacity Engine Setyono, Gatot; Khusna, Dwi; Kholili, Navik; Putra Sanjaya, Lingga; Argil Putra, Fajar Galang
Infotekmesin Vol 14 No 1 (2023): Infotekmesin: Januari, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i1.1629

Abstract

The availability of fuel oil is decreasing while the level of consumption is increasing. This encourages the need for the development of alternative energy to minimize the crisis. This study investigates the characteristics of fuel and automatic transmission combustion engines. The fuel used is butanol variations B7, B12 and B18 (7%, 12%, and 18%) and pertalite (RON-90). The gasoline engine used has a capacity of 110 cc with a compression ratio of 9.5:1, an automatic transmission system, and air conditioning. The performance test equipment used is the Dynotest-chassis type 50L-BRT. Fuel variations are applied to an engine performance test by using engine speeds of 3000-9000 rpm. The results showed that the use of 18% butanol increased the output power and thermal efficiency by 8.3 kW and 923.95 kPa at 8000 rpm. torque and MEP (average effective pressure) increased by 8 N.m and 923.95 kPa at 5000 rpm. Meanwhile, SFC (specific fuel consumption) decreased by 0.35 kg/kWh at 8000 rpm.
Investigation of Exhaust Emissions Combustion Characteristics in Single Spark Ignition-Engine Matic with Butanol-Gasoline Mixture Setyono, Gatot; Khusna, Dwi; Kholili, Navik; Putra Sanjaya, Lingga; Argil Putra, Fajar Galang
Infotekmesin Vol 14 No 2 (2023): Infotekmesin: Juli, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i2.1903

Abstract

Butanol as a fuel has a high oxygen content, so the combustion process will be more friendly to the environment. In this study, butanol will be mixed with RON-90 gasoline with a capacity of 5% (B5); 7%(B7); 10%(B10); 12%(B12); 15%(B15) and 18%(B18). The engine used is an automatic transmission with a capacity of 109.5cc with a compression ratio of 9.5:1. The test equipment for engine performance and exhaust emissions is the 50L BRT Super-Dyno and EPSG4 Gas Analyzer. The results showed that using B18 fuel for CO exhaust emissions decreased by 44% at an engine speed of 6000rpm. CO2 exhaust emissions have decreased by 47% at 8000rpm engine speed. HC exhaust emissions have decreased by 28% at 9000rpm engine speed. In contrast to NOx emissions, which increased by 22% at 9000rpm engine speed, this was due to the increasing temperature in the combustion chamber.
Investigation on Exhaust Emission and Performance of SI-Matic Engine Applied Acetone-Butanol-Ethanol (ABE) Fuel Mixtures Setyono, Gatot; Kholili, Navik; Kurniawan, Galih Ageng; Pratama, Deny Surya
Infotekmesin Vol 15 No 1 (2024): Infotekmesin: Januari, 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i1.2128

Abstract

Acetone-butanol-ethanol (ABE) is a preferred alternative energy for SI engines. This research uses an experimental method with an automatic SI engine, RON-90 fuel mixed with ABE1 (12:8:1)v/v, ABE2 (15:10:1)v/v and ABE3 (1i8:12:1) v/v. Engine speed is 4000-10000rpm, and compression ratio is 11.6:1. Emission and engine performance testing used EPSG4-Gas analyzer and Dynotest-chassis type 50L-BRT. This research aims to explore the mixture of RON-90 and ABE to optimize performance and exhaust emissions. This research shows that torque increases by an average of 14.7% at an engine speed of 6000rpm. Power increased significantly with an average value of 9.5% at an engine speed of 8000rpm, MEP increased by 0.5%, and thermal efficiency increased by 7%. SFC experienced a fairly optimal decrease of 15.6% on average. The exhaust gas emissions produced are CO and HC. The reduction in CO and HC occurred in the ABE3 variant with values of 8.2% and 1.6%, respectively.
Co-Authors Abdullah, M. Hasan Akmal, Muhammad Nazal Sayyidi Alfarizi, Ahmad Anggraini, Desy Ismah Argil Putra, Fajar Galang Aristyanto, Erwan Astria Hindratmo Athallah, Hilbran Maulana Badari, Yasir Muluk Boimau, Yusri Diantoro, Nova Arizal Dwi Bagas, Achmad Faizal Dwi Khusna Gatot Setyono Hau, Fikarahman Putra Krisnadhi Hariyanto, Krisnadhi Kurniawan, Galih Ageng Miftach, Royan Mochammad Muchid, Mochammad Muchid, Muhammad Muharom Muharom Nugroho Mardi Wibowo Nugroho, Alfi Onny Purnamayudhia Pratama, Deny Surya Pratomo, Tedy Putra Sanjaya, Lingga Putri, Lisa Amelia Raharjo, Septian Rakhmadanu, Yanuariza Ritonga, Alven S. Riyadi Saputra, Firman Dirga Siswadi Siswadi Siswadi Wahid, Okon Agustyan Wahyu Nugroho Yuyun Widiastuti